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Multiple Points of Presence

Lync Server presence has the added flexibility of being read from multiple endpoints simultaneously. This enables a user to be signed in at multiple locations or endpoints that publish presence independently. The server then aggregates these endpoints and forms a single presence class that is published to subscribers.

For instance, a user can be signed in to Lync on a desktop, again on a roaming laptop, at home on a Mac, and also on a mobile device. Each of these endpoints publishes presence independently, and the server then forms the user’s presence appropriately.

Having multiple clients signed in is generally considered a problem because how does a user know which endpoint to send a message to? Without multiple ...

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